Cold foam is one of Starbucks’s most popular add-ons. Now, it can be packed with protein, too. Since Brian Niccol took over as Starbucks CEO last September, he’s been promising to counter slow sales by revitalizing the company’s commitment to being a “third place”—a space where customers sit and stay a while.

Niccol is making other changes to streamline the Starbucks menu, cutting about 30 percent of existing items, according to CNN. But he emphasized this will make room for new additi

Starbucks is testing a new Protein Cold Foam in select locations. Here's everything you need to know about the brand's newest innovation.